Updated: May 19, 2026

Mark Ein

CTOSCustom Truck One Source, Inc.SEC CIK: 0001246840
Estimated Net Worth
$373 Million
Last Updated: May 19, 2026 11:12 PM EST

Transaction Summary

Total Transactions116
Buy-Sell Ratio1.49
Buy Transactions61
Sell Transactions41

Transaction Volume

Total Volume$51.15M
Net Volume-$15M
Buy Volume$18.08M
Sell Volume$33.08M

Trade Analysis

AVG Trade Size$440.98K
Largest Trade$11.05M
Most Active MonthMay
Most Active Year2023

Trading Sentiment

OverallBearish
Recent TradeBuying
Last 90 Days0 Trades
ConvictionNone

Net Worth & Trading Activity Over Time

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Monthly Trading Pattern

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Past Insider Trading and Trends

Mark Ein has an estimated net worth of $373 Million. This is based on reported shares across multiple companies, which include Custom Truck One Source, Inc., Capitol Acquisition Corp, LINDBLAD EXPEDITIONS HOLDINGS, INC., TWO HARBORS INVESTMENT CORP., Soho House & Co Inc., Doma Holdings, Inc., CISION LTD., AgroFresh Solutions, Inc., Capitol Acquisition Corp. III, and LCC INTERNATIONAL INC.



2022 was Mark Ein's most active year for acquiring shares with 13 total transactions. Mark Ein's most active month to acquire stocks was the month of July. 2023 was Mark Ein's most active year for disposing of shares, totalling 70 transactions. Mark Ein's most active month to dispose stocks was the month of April. 2019 saw Mark Ein paying a total of $7,598,293.50 for 7,916,270 shares, this is the most they've acquired in one year. In 2018 Mark Ein cashed out on 6,695,099 shares for a total of $31,205,465.47, their largest year based on trade value.

Holdings & Transactions

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